Table 2.

Gender distribution in the different treatment groups.

Therapy group	Male		Female		p value
	n	%	n	%
PE	8	42%	11	58%
PE and IA combination	18	62%	11	38%	0.32
IA	11	46%	13	54%
Total	37	51%	35	49%

Comparison of percentages of female and male patients in each treatment group using the Chi-square test.

IA, immunoadsorption; PE, plasma exchange.